Broken windows are seen at the factory blast site in Kunshan, east China's Jiangsu Province, Aug. 2, 2014. A powerful factory blast has killed 65 people and injured over 120 others in Kunshan City on Saturday morning. The blast happened at around 7:37 a.m. inside a wheel hub polishing workshop owned by the Kunshan Zhongrong Metal Products Co., Ltd,. An initial probe indicated that the explosion might be caused by dusts inside the workshop, officials said. (Xinhua/Shen Peng)